Fuel filter cap leaking big time.

[brucejohnson]

Na, don't do that, the stuff after the filter is big dollar.
Get the right filter and all will be fine again.

Ozy, My qualifier was "I'm brave". I have apparently been very lucky over the years with around 460K diesel driving miles my '98.5 (200K+), '02 (200K+) and '05 (60K+) and never have experienced the slimy nose-goblin, wiggly-worm, swamp-thing glop in my fuel tanks or filters as many people have posted about. Our travels went from the most Western, Northern and Southern states West of the Mississippi; even dipped a tire into the Mississippi River. I have experienced a couple of tanks where the poor truck experienced a couple of "pvc flutters" due to possible questionable quality fuel, but no goblins caught in the filter. Every fuel filter looked almost new when I changed them at 30K; barely a speck, if any, locked in the filter media. And I use OEM Mopar filters for 100% of the filter changes.
I have filled the filter canisters as stated (lift pump prime - NO START), void of filter on at least two occasions. Did not run the engine. Drained and wiped the cannister, replaced filter, and went about routine life. No problems evident. I'm not Irish, and I haven't won the lottery, so maybe it's just dumb luck that I have had by not experiencing the fuel "globulins" in the past 20 or so years. (whew)
That said, I will agree with you; I wouldn't recommend it to anyone that wasn't brave enough (throwing caution to the wind) to try it.
Feet removed from mouth - Nomex on - fox hole entered...let 'er rip

 

[Josparkz]

Well, it seems like "Napa Gold" filters are just too long for the cap to go all the way down. Unbelievable.

 

[Ozymandias]

It's just about I'm not sure how far the fuel really flows after cycling the key.
Ss we now it primes the whole system, no bleeder screw somewhere. So where goes the air and the fuel?
The only way out - to my knowledge is the CP3 and from there back to tank.

I was never picky about such stuff, till the first CDI arrived in my fleet.
Cleanliness can not be overestimated in this setup.

Bad example? I know people that changed the fuel filter without draining the bowl prior.

 

[Ozymandias]

The new filter has the same dimensions as the old one?

That was my only real guess yesterdays.

Happy Travels

 

[Josparkz]

That was my only real guess yesterdays.

Happy Travels

You were right. I should have measured them first. I could not believe a Napa part didn't fit. They tell me "it fits every one else's". Momma looked up something from Mopar and she is saying Lariat trim levels take a different filter. I do see Fleetguard recommends 7 micron filter as opposed to a 10.

 

[brucejohnson]

That was my only real guess yesterdays.

Happy Travels

Yep. Good call Ozy. It falls under "what was touched, changed or accomplished before the malfunction reared its ugly head".

 

[Ozymandias]

Thank you, yes.
From this I learned the hard way to only change/ repair on thing at a certain time. Self installed problems I call that.

To the OP, Lariat is a Ford Trim, all Cummins had always the same fuel filter for the same MY.

7 Micron was Factory at the Gen3 CDI, ever. 10 Micron never heard of, no good for CDI either.
Baldwin makes the only 5 Micron for our Trucks - to my knowledge, but I might be wrong on this.

 

[brucejohnson]

You were right. I should have measured them first. I could not believe a Napa part didn't fit. They tell me "it fits every one else's". Momma looked up something from Mopar and she is saying Lariat trim levels take a different filter. I do see Fleetguard recommends 7 micron filter as opposed to a 10.

Ah-hem...Did someone have a neuron misfire Ford moment here? Lariat isn't in the Ram family that I am aware of. Laramie, yes, but Lariat negatory. Just a wee bit curious: Was the filter number you purchased FIL 3585XE or FIL 3585XEMP? WIX Mfg, 7 micron. Hight: 103mm, 4.07 in

High efficiency media:
https://www.napaonline.com/en/p/FIL3585XE?keywordInput=fuel+filter
Glass media:
https://www.napaonline.com/en/p/FIL3585XEMP?keywordInput=fuel+filter

 

[Josparkz]

Ah-hem...Did someone have a neuron misfire Ford moment here? Lariat isn't in the Ram family that I am aware of. Laramie, yes, but Lariat negatory. Just a wee bit curious: Was the filter number you purchased FIL 3585XE or FIL 3585XEMP? WIX Mfg, 7 micron. Hight: 103mm, 4.07 in

High efficiency media:
https://www.napaonline.com/en/p/FIL3585XE?keywordInput=fuel+filter
Glass media:
https://www.napaonline.com/en/p/FIL3585XEMP?keywordInput=fuel+filter

Yep, Lariat, Laramie. It's all cowboy stuff, as close as the guy next door or the neighboring state
Yep, it was a 3585xemp. I looked up their spec. at 4.07". I measured 4 3/16" on the body, not including the grommet at the bottom. When installed in the (capless) cannister it projects higher than the edges. According to my highly accurate 6' folding wooden ruler, top of the cap on the inside is level with the top of the threads. So, it's just not seating all the way down. I'm wondering if Wix made a bunch of out of spec filters. Considering that there are two auto parts stores here, the next closest one is 40 miles, Dodge diesels are probably the most popular truck here, why did I get the first bad filter? I mean, what's the odds of that? Forty five years or more of dealing with Napa and this is the first problem I've had with one of their parts not fitting.
So, the Laramie thing. Momma got googling Mopar numbers and going by what she could discern of the # on the used filter. She says that filter number she got is only used on something like 6 model trucks, and they are all Laramies .I'm not seeing that nugget of info anywhere else. In fact, the number she came up with is not exactly the same as what Cummins crosses the Fleetguard FS19856 to. It ends in an A instead of a B . But she insists she found the right filter, so more power to her. I could see tempers getting ready to flare about then, so I did not badger her about it <LOL>.
I can't believe the owners manual doesn't have that part # in it either. It doesn't seem to have any reference to the water fuel separator in the index of that book either. Oh well, maybe I'll see if I can find her some factory service manuals for a Christmas present <LOL>

 

[brucejohnson]

But she insists she found the right filter, so more power to her. I could see tempers getting ready to flare about then, so I did not badger her about it <LOL>.

Wise choice Josparkz. I learned my lesson 48 years ago from my sweetie. Those invisible nose rings they sneak into your tender nostrils when you aren't looking sure smart when your sweetie feels a training tug or yank moment is necessary to get their most important (to them) point across. Now it's just a little, almost imperceptible side glance that gets my immediate attention.

 

[Josparkz]

Wise choice Josparkz. I learned my lesson 48 years ago from my sweetie. Those invisible nose rings they sneak into your tender nostrils when you aren't looking sure smart when your sweetie feels a training tug or yank moment is necessary to get their most important (to them) point across. Now it's just a little, almost imperceptible side glance that gets my immediate attention.

That's true. And she's very unhappy that I even wanted to change her fuel filter. Why hell, she had a new one put in 6 years ago, before we even hooked up <LOL>. My oh my, how time does fly when you're having fun.

 

[TFucili]

Put a few in stock from Geno's, and avoid this scenario.

 

[Josparkz]

Put a few in stock from Geno's, and avoid this scenario.

Probably will, when I have some time.

 

[Josparkz]

If my arms were about a foot longer that would be real easy to reach, too.

 

[William Waldron]

I had the same problem once. Turns out the bottom of the old filter broke off and was lodged in the bottom of the canister. Took me about twenty minutes before I figured it out. Comparing both filters, o rings. Then I looked inside with a flashlight!
I had to use some long nosed pliers to pull the broken middle piece of the old filter out. Not saying that was your problem...

 

[Josparkz]

I had the same problem once. Turns out the bottom of the old filter broke off and was lodged in the bottom of the canister. Took me about twenty minutes before I figured it out. Comparing both filters, o rings. Then I looked inside with a flashlight!
I had to use some long nosed pliers to pull the broken middle piece of the old filter out. Not saying that was your problem...

Well, I look in there and stuck the long curved needle nosed pliers in there and couldn't find anything. That 3/16" would have been it.